Author Question: In a B-Tree whose top entry contains the values 47 and 88, the middle arrow allows access to all ... (Read 17 times)

luvbio

  • Hero Member
  • *****
  • Posts: 623
In a B-Tree whose top entry contains the values 47 and 88, the middle arrow allows access to all records whose key field values are ________.
 
  A) less than 47
  B) greater than 47 and less than 88
  C) greater than 47 and less than or equal to 88
  D) greater than 88

Question 2

In two-phase locking, all locks are released during the contracting phase.
 
  Indicate whether the statement is true or false



smrerig

  • Sr. Member
  • ****
  • Posts: 325
Answer to Question 1

C

Answer to Question 2

FALSE



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

For a complete list of videos, visit our video library